289838898

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 80

約数和(自身を含む): 667408896

約数和(自身を除く): 377569998

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 113, 142, 162, 213, 223, 226, 339, 426, 446, 639, 669, 678, 1017, 1278, 1338, 1917, 2007, 2034, 3051, 3834, 4014, 5751, 6021, 6102, 8023, 9153, 11502, 12042, 15833, 16046, 18063, 18306, 24069, 25199, 31666, 36126, 47499, 48138, 50398, 72207, 75597, 94998, 142497, 144414, 151194, 216621, 226791, 284994, 427491, 433242, 453582, 649863, 680373, 854982, 1282473, 1299726, 1360746, 1789129, 2041119, 2564946, 3578258, 4082238, 5367387, 10734774, 16102161, 32204322, 48306483, 96612966, 144919449, 289838898]

約数ペア:

[(1, 289838898), (2, 144919449), (3, 96612966), (6, 48306483), (9, 32204322), (18, 16102161), (27, 10734774), (54, 5367387), (71, 4082238), (81, 3578258), (113, 2564946), (142, 2041119), (162, 1789129), (213, 1360746), (223, 1299726), (226, 1282473), (339, 854982), (426, 680373), (446, 649863), (639, 453582), (669, 433242), (678, 427491), (1017, 284994), (1278, 226791), (1338, 216621), (1917, 151194), (2007, 144414), (2034, 142497), (3051, 94998), (3834, 75597), (4014, 72207), (5751, 50398), (6021, 48138), (6102, 47499), (8023, 36126), (9153, 31666), (11502, 25199), (12042, 24069), (15833, 18306), (16046, 18063)]